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DDR2 external memory shows ??

Question asked by cvanbijleveld on Dec 20, 2011
Latest reply on Dec 20, 2011 by cvanbijleveld

Hello all,

 

I am running an application on the EZB-21469 in which part of the code lies in the external DDR2RAM memory.

 

When debugging the application I observe that the dissasembly window diplays ?? on external memory addresses (from 0x00200000 on). It is as if VisualDSP could not recognize the code in the DDR2. However the application works perfectly: code is executed from DDR2 and data is read/written without problems.

 

This happened suddenly. Until yesterday I could see the assembly code on the DDR2.

 

Any idea what the problem could be and how to solve it?

 

Thanks,

 

CVB

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